Collapsible jacket for foul-air removers



J. McNULTY.

COLLAPSIBLE JACKET FOR FOUL AIR REMOVERS.

APPLICATION FILED Aus.31. I921.

1,430,459. Patentedsept- 26, 2,

. 2 SHEETSSHE J. McNULTY.

COLLAPSIBLE JACKET FOR FOUL AIR REMOVERS.

APPLICATSON FILED AUG.3I, 192l- Patentefi Sept. 26, 1922;

Patented 5ep't. 2%, 1922..

tea

JOHN MCNULTY, OIE GULFPORT, MISSISSIPPI.

COLLAPSIBLE JACKET FOR FOUL-AIR, REMOVERS.

Application filed August 31, 1921.

T 0 all whom it may concern Be. it known that 1, JOHN MGNULTY, a citizen of the United States, residing at Gulfport, in the county of Harrison and State of Mississippi, have invented certain new and useful Improvements in Collapsible Jackets for Foul-Air Removers, of which the following is a specification.

My invention relates to an apparatus designed to be used in connection with the heating stoves employed in school rooms, assembly halls, and other public meeting places, whereby an even circulation of air is maintained and the foul air drawn from the room.

The primary object of the invention is to provide a simply constructed, durable and efficient device of this character in which the elements thereof are adapted to be readily replaceable, and which may be arranged for shipment in a knocked-down condition and readily assembled at the place desired.

Another object of the invention is to provide a collapsible casing which is adapted to surround the heating stoves now employed, the casing being so constructed as to be readily assembled'or disassembled with the minimum amount of labor and time in the operation thereof.

A further object of the invention is to provide a sectional casing of this character in which the sections thereof may be readily replaced when from any cause the same become impaired without in any way disturbing the remainder of the structure.

A still further object of the invention is to provide a sectional casing in whicha section thereof will serve as a hinge when it is desired to open the casing at any desired point for the removal or replacement of the stove in the interior of the casing.

V ith these and such other objects in view as will be apparent from the description, my invention resides in the novel construction, combination and arrangement of parts, hereinafter described and claimed, and illus trated in the accompanying drawings, in which Figure 1 is an elevation of my improved casing, from the front thereof;

Figures 2 and 3, detail vertical sections of the section retaining rings employed;

figure 4, a horizontal section on the line lof Figure 1;

Figure 5, a detail vertical section show- Serial No. 497,204.

ing the manner of attaching one of the easmg supporting section's;

Figure 6, a perspective illustrating the mounting of the casing supporting section members;

F igure an elevation of the ring connectlng means;

Figure 8,, a modification of a section sup port ng member, as shown in Figure 6;

Figure 9, a modification illustrating the manner of securingthe ends of the casing sectlons;

'Figure 10, a sectional illustration of the construction shown in Figure 9'; and illustrating the employment of av door hinged bracket; I

Figure 11, a further modification of a means for attaching the ends ofthe casing sections; and

Figure 12, an illustration of the manner of attaching the door hinged bracket to the construction as shown in Figure'll.

Heretofore in the art to which this invention pertains, it has been customary to employ cylindrical casings adapted to be placed around heating stoves and provided with various connections for the admission of air thereinto and from the easing into the room to be heated; these casings being of bulky material and structural disposition are subjected to considerable wear, especially when employed in school rooms, and it is often found necessary to replace the entire casin Furthermore, with the types of casings now employed, when it is desired to replace the stove around which the casing is placed, it is necessary to dismantle or raise the entire casing to accomplish this purpose.

With these defects in view, I have designed my invention. to overcome the objections noted and at the same time to produce a simple and durable and eflicient knockdown casing formed of a plurality of arcuate metal sections 1, supported between upper and lower retaining rings 2 and 3 and joined at their meeting edges by means of stanchions 4. lndetail, the construction embodies a base ring 3 formed of two senil- 'circular sections, connected by lap joints through which are passed bolts 24; for securing the section in assembled relation. A

vertical internal'flange 5 is formed on each section of the base ring, 3 and at suitably spaced intervals around the ring the flange is provided with sockets recessed thereinto for the reception of the lower ends 6 of the vertical uprights or stanchions t, which extend upwardly the entire height of the casmg and are similarly mounted at their upper ends in the upper retaining ring sec- Lions 2. The stanchion members t are each provided with a central rib 7 and lateral grooves 8 to provide shoulders 9 against which the ends of the metal sections 1 are adapted to rest, the ends of these sections being suitably secured to the stanchions by means 01" bolts or other suitable fastening means 10 passing through said stanchions and sections, as clearly illustrated in Figure 6; The lower ends of the stanchions 4 are recessed at their internal urface to engage in the sockets formed in the base ring 3, whereby the inner surface of these stanchions will be flush with the inner surtace or the flange 5, carried by the ring, as illustrated in Figure 6. This construction serves to effectually prevent any lateral movement 01" the stanchions relative to the ring and the same will be firmly anchored in place when assembled, being held in engagement with the ring by means of t is fastening elements 10 extending through the lower portion of the stanchions and the ring.

One section of the casing is employed as a door and the stanchions at opposite sides thereof are provided with hinged brackets 11 at suitably spaced intervals for the recep tion of the doorhinges 12 the one side of the door, and at the other side, with the latch keeper 13 for engagement with the latch lt carried by the door section. This door section, designated as 4 comprises the front of the casing and extends the entire height thereof. Directly beneath the door the two sections of the base retaining rin 3 are joined by means of the bolt 2t and in alignment with. this joint and above the door the upper retaining ring 2 has its sections similarly secured by a similar retaining bolt 24 As illustrated in Figure 7, these lap joints are provided with inclined oi. positely arianged laces whereby they may be swung upon. each other for a purpose hereinafter described.

Tn this preferred form, I employ four stanchion members, two being arranged at opposite sides of the door, and the other two being arranged at diametrically opposite points in the rear of the casing. The casing sections comprise six in numier, the rear section being carried between the two rear stanchions 4t and the door section being carried in the manner. described. The side sections are connected and supported by air ducts mounted externally of the casing at diametrically opposite points of the casing, as indicated at 14. The backs of these air ducts comprise casing sections 15, which are lapped over the abutting edges of the adjacent casing sections 1 and secured thereto by means of the fastening elements 16, which construction serves to firmly unite the sections at these points and the air ducts will, in this instance, take the place oi. the stanchions hereinbetore described. The purpose of the air ducts la is to provide means for conveying the foul air from the room and these ducts extend vertically the length 01" the casing and slightly thereabove, with the lower ends being open to provide foul air inlets 17. If it is desired, the rear wall sections 15 of the ducts 1 may be dispensed with and the adjacent casing sections 1 may be continued to lap at their abutting edges and fastened by the same employed to asten the sections as illustrated in the pre rrcd form.

Tn operation, the casing is assembled by securing the base ring sections by means of the bolts 2-1, mounting the stanchions thereon, and assembling the upper retaining ring with the joints or the ring sections in vertical alignment at the :tront and rear of the casing. The metal sections comprising the casing wall. are then secured to the staa: chions in the grooves S and bolted thereon by means of the retaining members 10, as described, the side sections being mounted in connection with the air ducts to provide a strong, compact casing wall. When it is desired to open the casing to remove the heating elem t enclosed therein, without dismantlin the entire structure, it simply necessary to remove the bolts 2 E: :rom the retaining ring joints at the front and rear of the casing, whereupon the sections may be swung apart with the rear casing section 1 serving as a hinge. Tt is obvious that this may be accomplished without in any way dismantling any portions of the casing structure. Furthermore, it often becomes neces sary to replace a casing when the san'ic is worn, and with this construction it is merely necessary to detach the casing section to repaired and the 821K116 may be replaced by one whicl'l. may be (illilt-Bli in stock. 'i he air ducts 1st being arrauurcrl. at the sides ot the casing at. diametrically opposite points, provide in etl'ect stanchions at these two points and eliminate the necessity of a further supporting or strengthening means for the casing.

Tn igures 8 to 12, inclusive, T have illus trated modified forms of my invention, in which the same be adapted to various conditions. As illustrated in igure 8, the stanchion members 4 may be ii rmed to support a square casing when it is desired to use the same in connection with a square heating element. Tn Figure 9 T have shown a modified form of connecting the ends of the sections 1, in which the stanchion members are eliminated, the edges of the metal sections being bent upon themselves into the triangular formation shown, and secured by means of triangle bars 20 disposed at each side of the joint and clamped together by fastening bolts 21 extending therethrough. In Figure 10, is illustrated the manner of attaching the door hinge bracket to an end of a metal section at the door support, the construction being the same as illustrated in Figure 9, with the exception of a hinged bracket 22, which may be of any suitable type and which is bolted to the bar 20. In Figure 11 I have illustrated a further modified form which the invention may take in relation to the connection of the meeting edges of the metal sections, and as shown in this instance the edges of the sections are curled upon themselves to provide for the nesting engagement, and if desired a central rod 23 may be disposed in the interior of the casing sect-ions as an additional replacement means for the joint. In Figure 12, is shown the manner of attaching the door bracket hinge to the construction as illustrated in Figure 11, in which instance I employ a suitable curved bracket arm 24, bolted or otherwise suitably fastened to the casing section and anchored at the edge by means of a bolt 25 extending through diametrically opposite points of the curled joint, as illustrated in this figure.

While I have described and illustrated certain details and materials which enter into the construction and opera ion of my invention, I desire it to be "expressly understood that it is not my intention to limit myself in any way to the specific construction, as shown and described, but that I may use anv such and make any changes therein as will fall within the scope of the invention as claimed.

I claim:

1. In a device of the character described, a frame comprising a base ring, vertical supporting members secured on said base ring in circumferential spaced relation, and an upper retaining ring secured on said vertical supporting members, casing sections mounted on said supporting members, and means whereby said casing sections may be opened without removing any of said sections from the frame.

2. In a jacket of the character described, a sectional base ring, a vertical flange on the interior face of said base ring, peripheral recesses at circumferentially spaced intervals in said flange, vertically disposed supporting members disposed in said recesses and adapted to be secured to said ring by bolts extending through said ring and member, shoulders formed on the outer faces of said members, at opposite sides thereof, an upper retaining ring connecting the upper ends of said members, and arcuate metal casing sections adapted to engage said supporting members adjacent the shoulders thereof, and secured thereto by fastening means extending through said sections and supporting members.

3. A device of the character described, comprising a sectional casing formed of a base ring, an upper retaining ring, spaced vertical supporting members secured at their ends to said rings, vertically disposed wall sections secured to said supporting members, and means whereby said casing may be opened at the front, swung on the rear section, and forced apart without removing any of the casing structure.

i. In a collapsible foul air remover jacket, the combination of a sectional casing, air ducts mounted externally of said casing for conveying four air therethrough, a wall of said casing forming a wall of said ducts, and casing sections, securing elements passing through said sections and a portion of said ducts whereby said ducts will serve to reinforce the casing.

5. In a collapsible jacket of the character described, a base ring, a vertical flange carried by said ring, a vertically disposed casing supporting member, seated on said flange at its lower end, the abutting portions of said flange and member being recessed to provide for inter-engagement, whereby lateral movement of the supporting member relative to said flange is prevented, casing wall sections carried by said ring and supporting member, and fastening means for said wall sections extending through said ring sections and member.

6. A collapsible foul air remover jacket comprising a casing formed of a plurality of sections secured between upper and lower retaining rings, said rings being formed in sections detachably connected in vertical alignment midway of one of said casing sections whereby the casing may be opened and swung upon the last named section, to permit access to the interior of the casing without removing any of the casing sections.

7. In a collapsible jacket of the character described, a base ring, a vertical flange carried by said ring, a vertically disposed casing supporting member seated on said flange at its lower end, said flange being recessed to receive a portion of said member to pre vent lateral movement thereof, casing wall sections carried by said ring and supporting member, and fastening means for said wall sections extending through said ring and member.

In testimony whereof I affix my signature.

JOHN MoNULIY. 

